*{
	margin: 0;
	padding: 0;
}

.video{
	width: 100%;height: 390px;object-fit: cover
}

.slide{
	max-width: 100%;
	height: auto;
	margin: 0 auto;
	position: relative;
	z-index: 999;
	overflow: hidden;
}
.slide ul{
	width: 10000%;
	list-style-type: none;
}
.next_btn{
	position: absolute;
	width: 25px;
	height: 26px;
	line-height: 26px;
	text-align: center;
	opacity: .5;
	vertical-align: middle;
	background: rgba(0,0,0);
	right: 5px;
	top: 50%;
	color: #fff;
	font-family: arial;
	font-size: 20px;
	font-weight: bold;
	display: inline-block;
	cursor: pointer;
	font-family: "宋体";
}
.prev_btn{
	position: absolute;
	width: 25px;
	height: 26px;
	line-height: 26px;
	text-align: center;
	opacity: .9;
	vertical-align: middle;
	background: rgba(0,0,0,.1);
	left: 5px;
	top: 50%;
	color: #fff;
	font-family: "宋体";
	font-size: 20px;
	font-weight: bold;
	display: inline-block;
	cursor: pointer;
}
.slide ul:after{
	content: '';
	clear: both;
	display: block;
}
.slide ul li{
	float: left;
	text-align: center;
}
.slide ul li img{
	vertical-align: middle;
	max-width: 100%;
	width: 1250px;
	height: 390px;
}
.slide .circle_btn{
	position: absolute;
	bottom: 15px;
	text-align: center;
	left: 0;
	display: table;
	margin: 0 auto;
	width: 100%;
}
.slide .circle_btn button{
	box-sizing: content-box;
	opacity: .8;
	outline: none;
	border: none;
	padding: 2px 18px;
	background: red;
	margin: 2px 5px;
	overflow: hidden;
	transition: all .6s;
	cursor: pointer;
}
.slide .circle_btn button.active{
	background: blue;
}
